/**
 * Copyright (c) 2009 blurredVision
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
 * associated documentation files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or 
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT 
 * NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT 
 * OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#include "StdAfx.h"
#include "Octree.h"

Octree::Octree(void)
:	m_pParent(NULL), 
	m_bHasChildren(false),
	m_pBoundingBox(NULL),
	m_vPosition(0,0,0)
{
	createChildren();
}

Octree::Octree(Octree *parent)
:	m_pParent(parent),
	m_bHasChildren(false),
	m_pBoundingBox(NULL),
	m_vPosition(0,0,0)
{
}

Octree::Octree(unsigned int depth)
:	m_pParent(NULL),
	m_bHasChildren(false)
{
	createChildren(0, depth);
}

Octree::~Octree(void)
{
	for (int i=0; i<8; ++i) 
		if (m_pChildren[i])
			DELETE_POINTER( m_pChildren[i] );

	m_pParent = NULL;
}

void Octree::createChildren(int currentLevel, int maxLevel)
{
	if (currentLevel == maxLevel) 
		return;

	++currentLevel;

	for (int i=0; i<8; ++i) {
		m_pChildren[i] = new Octree(this);
		m_pChildren[i]->createChildren(currentLevel, maxLevel);
	}
	m_bHasChildren = true;
}
